Exception in thread "main" java.lang.NoClassDefFoundError: BCELplay at gnu.java.lang.MainThread.run(libgcj.so.7) Caused by: java.lang.ClassNotFoundException: BCELplay not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:bcel.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}} at java.net.URLClassLoader.findClass(libgcj.so.7) at java.lang.ClassLoader.loadClass(libgcj.so.7) at java.lang.ClassLoader.loadClass(libgcj.so.7) at java.lang.Class.forName(libgcj.so.7) at gnu.java.lang.MainThread.run(libgcj.so.7) >>>>THE RUN.SH<<<<< #!/bin/bash java -classpath bcel.jar BCELplay read